Custom 110mm 140mm ST68 Retractable Drill Bit Rock Button Bit 4148301030-4148301035 manufacturer from China China Hole Saw Online Market

Custom 110mm 140mm ST68 Retractable Drill Bit Rock Button Bit

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: 4148301030-4148301035

Custom 110mm 140mm ST68 Retractable Drill Bit Rock Button Bit

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Custom 110mm 140mm ST68 Retractable Drill Bit Rock Button Bit

Description

This type of bit is well known for its wear resistance on soft to medium-hard rock formations (between 55 Mpa to 165 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture. Recommended for eliminating hole deviation.

• Widely used drifting and tunneling
• Bit face design is ideal for soft to medium rock formations
• With Retrac Wings to help guide the bit in and out of the hole
• Effective in straight hole drilling

Color: Green,Blue or Based on Customer requirements

Material: Tungsten carbide and high strength alloy steel

Processing: CNC milling and proprietary heat treatment process

Type: ST68 Retrac Button Bit Ballistic Buttons

Applications

• Underground mining
• Tunneling

Competitive Advantage

• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment

specification

Part Number	Bit Diameter (mm)	Bit Diameter (inch)	Front Buttons (No. x mm)	Gauge Buttons (No. x mm)
4148301030	102	4	4x12, 4x12	10x12
4148301031	102	4	4x14, 2x12	8x14
4148301032	110	4 1/3	6x14	8x16
4148301033	115	4 1/2	6x14	8x16
4148301034	127	5	8x14	9x16
4148301035	140	5 1/2	9x14	9x16